某型机载雷达天线伺服系统的动力学分析  

Dynamic Analysis of Antenna Servo System of an Airborne Radar

作　　者：汤伟强 陈腾飞[1] 

机构地区：[1]南京电子技术研究所,江苏南京210039

出　　处：《电子机械工程》2017年第2期31-33,共3页Electro-Mechanical Engineering

摘　　要：对某型机载雷达的天线伺服系统进行了动力学分析。首先根据天线结构和伺服单元结构的特点建立了有限元模型,然后在Patran/Nastran中进行了动力学分析,包括模态分析、冲击响应分析、频率响应分析、随机振动分析等,全面评估此系统的动力学特性。此分析计算为后续的结构设计优化、动力学设计提供了重要依据。Dynamic analysis of the antenna servo system of an airborne radar is carried out in this article.First of all,the finite element model is constructed according to the structure characteristics of antenna and servo unit.Then dynamic analysis such as modal analysis,transient response analysis,frequency response analysis,random vibration analysis are performed using Patran/Nastran in order to evaluate the dynamic property of the system comprehensively.Analysis result of the article provides critical reference for future structure design optimization and dynamic design.

关 键 词：机载雷达 天线座 动力学分析 有限元 

分 类 号：TN820.3[电子电信—信息与通信工程]